US4480656AExpiredUtilityPatentIndex 74
Plumbing fixture
Est. expiryMay 20, 1997(expired)· nominal 20-yr term from priority
Inventors:JOHNSON ROBERT L
D06F 33/42E03C 1/184Y10S68/902D06F 39/08Y10T137/3149Y10T137/3185
74
PatentIndex Score
12
Cited by
10
References
4
Claims
Abstract
This invention is directed to a plumbing fixture to lessen and to prevent the flow of a liquid, from a source of liquid, flowing to an apparatus such as a washing machine or a dishwasher. More, particularly, this plumbing fixture is directed to lessening the flow of a liquid from a laundry tub to a washing machine or a dishwasher by a syphoning effect. The liquid in the laundry tub is not allowed to flow to the washing machine or a dishwasher by a syphoning action.
Claims
exact text as granted — not AI-modifiedFrom the foregoing and having presented my invention, what I claim is:
1. A plumbing system comprising a unitary plumbing fixture and plumbing apparatus: a. said unitary plumbing fixture comprising a housing: b. a large outflow end; c. a small inlet end; d. said housing defining a tapering body between said large outflow end and said small inlet end; e. said housing defining a through passageway from said small inlet end, through said tapering body and to said large outflow end; f. an overflow tube having a passageway connecting with said housing and with said through passageway; g. said plumbing apparatus comprising a drain line connecting with said large outflow end; h. a discharge line connecting with said small end and with an apparatus for discharging a liquid to said small inlet end: i. an overflow line connecting with said overflow tube and with a source of liquid; j. said unitary plumbing fixture lessening the possibility of a liquid from said source of liquid flowing to said apparatus for discharging a liquid to said small inlet end; k. a baffle in said through passageway and juxtapositioned to the inner end of the passageway in said overflow tube to disrupt the flow of liquid from said overflow tube into said through passageway and to direct said liquid toward said large outflow end and away from said small inlet end; and, l. said baffle being a tube.
2. A plumbing system and a plumbing apparatus according to claim 1 and comprising: a. said unitary plumbing fixture being of plastic.
3. A plumbing system and a plumbing apparatus according to claim 1 and comprising: a. said baffle being in the configuration of a right circular cylinder.
4. A plumbing system and a plumbing apparatus according to claim 3 and comprising: a. said unitary plumbing fixture having slip fittings on said large end and said overflow tube, and said small inlet end being threaded.Cited by (0)
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References (0)
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